Sistemas de ecuaciones Worksheet

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Sistemas de ecuaciones Worksheet

Name: ____________________Date: ____________

Instructions: Resolución de sistemas de ecuaciones lineales por sustitución y eliminación.

20 problems

  1. 2x + 4y = 34, x = 9 → y = ____
  2. 7x + 9y = 110, x = 8 → y = ____
  3. x + y = 15, x − y = 3 → x = ____, y = ____
  4. 3x + 7y = 76, x = 9 → y = ____
  5. 5x + 7y = 101, x = 9 → y = ____
  6. x + y = 9, x − y = 5 → x = ____, y = ____
  7. x + y = 14, x − y = 2 → x = ____, y = ____
  8. 5x + 9y = 79, x = 5 → y = ____
  9. x + y = 12, x − y = 6 → x = ____, y = ____
  10. 4x + 3y = 48, x = 6 → y = ____
  11. 8x + 2y = 34, x = 4 → y = ____
  12. 4x + 2y = 26, x = 3 → y = ____
  13. 5x + 1y = 20, x = 3 → y = ____
  14. 3x + 8y = 99, x = 9 → y = ____
  15. 1x + 4y = 38, x = 2 → y = ____
  16. x + y = 11, x − y = 3 → x = ____, y = ____
  17. x + y = 4, x − y = -2 → x = ____, y = ____
  18. 6x + 2y = 22, x = 3 → y = ____
  19. 5x + 3y = 56, x = 7 → y = ____
  20. 3x + 6y = 63, x = 9 → y = ____
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